Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi,
I've the need to write a characteristic value of 65 bytes, from my central device (iPhone/iPad) to a nRF51822 peripheral device, so I was looking at this document for...
Hi, sorry if this is a dumb question. I've just ordered some development kits and maybe that will answer the question, but i'm being a bit impatient!
I want to put an nrf51422...
My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi all,
In my project ,I use the SPI to communication between nRF51822 and STM32,but I don't know
how does the heart_rate data transmit to BLE stack.
I am confused...
We have a custom nrf15822-AA board flashed with the S110 (6.0.0) and our application. It has a 32khz crystal. It is connect to our (Mac) development systems with a SEGGER...
I use 51422 with ANT function. When I set a command like "sd_ant_channel_unassign", how can I get response from on_ant_evt callback?
I need to do something after ANT unassign...
I have a nRF8002, I use nRFgo Studio to program the board, and Master Control Panel on Windows to check it board values.
I would like to be able to recognize when the nRF8002...
As the network speed is so low that I often cann't access www.nordicsemi.com, especially on weekends.
Could you tell me the reason?
Note:
At the time when I can...
I am successfully communicating through nrf 8001 chip and i using this module. Now i want to write services and characteristic to this module through iPhone after getting...
Hello：
1.
I used connect Master Control Panel and ble_app_cscs services see the following received some data not understand do not understand, here's UUID I did not see...
Hi all,
I have various questions regarding the softdevices, memory management and power consumption of the nrf51822 chips.
The project we are working on will need to...
I am working on nRF24LE1 boards. I am trying to talk between two boards. I have loaded "enhanced_shockburst_ptx_nrf24le1" and "enhanced_shockburst_prx_nrf24le1" on two different...
I saw an ANCS examples in sdk5.1.0(softdevice=6.0.0), and then I put this example to port to sdk4.4.2 (softdevice=5.2.1) and the example worked perfectly. But when I put the...
Hello,
I have set up my project to use the DFU bootloader to upgrade the application. When my application is running it can be sent a command from the central device to...
Hi
Can I read the content of RF register for LE1 by using the SPI of extern MCU?No matter the code of LE1 is encrypted or not.
When set the LE1 to 0dBm,the TX power...
